there are basically two types of UPS' around: online and stand-by or fly-by.
The online version is much more expensive but also much better in
Gary Kline wrote:
Recently, a storm happened and the power surge blew me
off-line. Time to get serious about buying a UPS that will
handle my four main servers for at-most, a 10-second power
You have the choice between four individual boxes or one big box.
Cases like this let the online version shine. Stand-by versions fail
pretty often especially if you have a neighbour around running big
engines powered directly from the power lines.
Even big air-cons can cause the problems.
Linux} computer? Is there a UPS that is designed for heavy use
and a very short (5- to 10-second) uptime? I'll need one that can
I do not think that it is a good advice to go for 10 second uptime. Take
a rating fitting your machines (400W power rating for the machine, 600VA
for the UPS) with at least 10 minutes uptime.
APC supplies you with both types of UPS.
All APC I have seen failing were of the fly-by type, all other were the
online version. I think, it will be the same for any other brand.
But do not drop dead when you see the price difference. This will be
money well spend.
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